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If a regular polygon has an interior angle with a measure of 144°, how many sides does the polygon have?  

 Mar 7, 2021
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Sum of interior angles of a polygon =   ( n-2)(180)

 

so     (n-2)(180) / n = 144

           180n - 360 = 144n

              36n = 360

                   n = 10      number of sides

 Mar 7, 2021

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